Cisco QSFP-40G-BD-RX 40GBase-SR-BiDi QSFP+ Transceiver Refurbished

In the ever-evolving landscape of networking technology, the demand for high-speed data transmission has led to the development of advanced transceiver modules. One such prominent player in the market is Cisco, a leading networking solutions provider. This article delves into the details of the Cisco QSFP-40G-BD-RX, a 40Gbps 40GBase-SR-BiDi multi-mode fiber transceiver module. We will explore its specifications, features, and applications, shedding light on the intricacies of this cutting-edge technology.

The Quad Small Form-factor Pluggable (QSFP) transceiver module is a compact, hot-pluggable network interface that provides high-density and high-speed connectivity. QSFP modules are widely used in data centers, telecommunications, and enterprise networks to meet the growing demand for increased bandwidth.

The Cisco QSFP-40G-BD-RX is a specific type of QSFP transceiver designed for 40Gbps data transmission. The "BD" in its name stands for Bi-Directional, indicating its ability to transmit and receive data over a single fiber strand. This module operates over multi-mode fiber (MMF) and utilizes an LC connector.

• Data Rate: The Cisco QSFP-40G-BD-RX operates at a speed of 40Gbps, making it suitable for high-performance networks requiring fast and reliable data transmission.
• Bi-Directional Design: The bi-directional functionality allows the module to transmit and receive data simultaneously over a single fiber strand, optimizing the utilization of available fiber infrastructure.
• Fiber Type: This transceiver module is compatible with multi-mode fiber (MMF), which is commonly used for short-distance transmissions within data centers and enterprise environments.
• Wavelength: The operating wavelength of the module is 850nm, which falls within the range of the near-infrared spectrum, ensuring efficient data transmission.
• Connector Type: The LC (Lucent Connector) is used as the optical interface, providing a secure and reliable connection between the transceiver module and the fiber optic cable.
• Maximum Reach: The Cisco QSFP-40G-BD-RX has a maximum reach of 150 meters, making it suitable for short to medium-distance connections within a network.

The Bi-Directional (BiDi) technology employed by the Cisco QSFP-40G-BD-RX is a noteworthy feature that enhances the efficiency of fiber optic communication. Traditional transceivers use separate fibers for transmitting and receiving data, requiring duplex connectivity. In contrast, BiDi technology enables bidirectional communication over a single fiber strand.

This is achieved through the use of wavelength-division multiplexing (WDM), where two different wavelengths are utilized for upstream and downstream data transmission. The Cisco QSFP-40G-BD-RX employs this innovative approach to optimize fiber infrastructure, reduce cable complexity, and increase overall network capacity.

Multi-mode fiber is a type of optical fiber that allows multiple light modes to propagate simultaneously. It is commonly used in short-distance communication scenarios, such as within data centers. The Cisco QSFP-40G-BD-RX's compatibility with MMF makes it suitable for these applications, providing cost-effective and reliable connectivity for high-speed data transmission.

The operating wavelength of 850nm is a crucial specification of the Cisco QSFP-40G-BD-RX. This falls within the spectrum of near-infrared light, which is ideal for short-range communication. The specific wavelength ensures optimal performance over the designated maximum reach of 150 meters.

LC Connector for Secure Connectivity

The LC connector is a small form-factor fiber optic connector renowned for its secure and reliable connections. The use of LC connectors in the Cisco QSFP-40G-BD-RX ensures precise alignment and low insertion loss, contributing to the overall performance and reliability of the transceiver module.

Applications and Use Cases

The Cisco QSFP-40G-BD-RX transceiver module finds application in various networking scenarios where 40Gbps data transmission is required. Some notable use cases include:

• Data Centers: Within the data center environment, where high-speed connectivity is essential for efficient data processing, storage, and retrieval.
• Enterprise Networks: In enterprise networks, especially those with high data traffic, the module facilitates fast and reliable communication between network devices.
• Telecommunications: The module can be utilized in telecommunications networks to support high-bandwidth applications and services.

Advantages of Cisco QSFP-40G-BD-RX

• Space Efficiency: The QSFP form factor allows for high port density on networking equipment, optimizing space within data centers and network cabinets.
• Cost-Effective Connectivity: Bi-directional technology and multi-mode fiber compatibility contribute to cost savings in terms of cabling infrastructure.
• Simplified Network Design: The use of a single fiber strand for bidirectional communication simplifies network design and reduces the complexity of cable management.
• Reliability: Cisco's reputation for producing high-quality networking equipment ensures the reliability and durability of the QSFP-40G-BD-RX transceiver module.

Compatibility and Interoperability

The Cisco QSFP-40G-BD-RX is designed to be compatible with Cisco networking equipment. However, it's essential to verify compatibility with other networking devices to ensure seamless interoperability within a given network infrastructure. Cisco typically provides compatibility matrices and documentation to assist network administrators in making informed decisions regarding equipment compatibility.

A Breakthrough in Fiber Optic Technology

The QSFP-40G-BD-RX is a type of transceiver module developed by Cisco that operates at 40 Gbps and uses bi-directional fiber optic technology to transmit and receive data. This transceiver is designed to work with single-mode fiber optic cables and is used primarily in data center and networking environments to connect switches, routers, and servers.

The breakthrough in fiber optic technology that is used in the QSFP-40G-BD-RX transceiver is the use of bi-directional transmission. Bi-directional fiber optic technology allows for the simultaneous transmission of data in both directions over a single strand of fiber optic cable. This is achieved through the use of a special type of optical multiplexer/demultiplexer that separates the outgoing and incoming signals and sends them on different wavelengths of light.

This is in contrast to traditional fiber optic technology, where separate strands of fiber optic cable are required for transmitting and receiving data. Bi-directional fiber optic technology can reduce the amount of fiber optic cabling required in a network and can also reduce the cost of installation and maintenance.

The QSFP-40G-BD-RX transceiver also uses advanced digital signal processing (DSP) technology to enhance the quality and reliability of the transmitted and received signals. The DSP technology compensates for distortions and attenuation that can occur during transmission over long distances, ensuring that the data is transmitted and received accurately and reliably.

Enhancing Network Efficiency

The QSFP-40G-BD-RX is a Cisco 40Gbps BI-Directional QSFP transceiver that can enhance network efficiency by improving data transfer rates and reducing latency. This transceiver uses a single-mode fiber optic cable to transmit data over distances of up to 10km, which is ideal for high-speed data centers and network applications.

One of the key features of the QSFP-40G-BD-RX is its ability to support bidirectional transmission on a single fiber. This means that data can be transmitted and received simultaneously on a single strand of fiber, which reduces the number of fibers required for a network connection. This results in a more efficient use of fiber optic cables, which can save on costs and reduce the complexity of network installations.

The QSFP-40G-BD-RX also supports a data transfer rate of up to 40Gbps, which is much faster than traditional Ethernet connections. This allows for faster data transfer and reduces latency, which can improve overall network performance. The transceiver also uses advanced signal processing and equalization technology to improve signal quality and reduce the risk of errors or signal degradation.

A High-Performance Transceiver

The QSFP-40G-BD-RX is a high-performance transceiver module designed for use in data center and networking applications. It is a Cisco 40Gbps bi-directional QSFP transceiver, which means it can transmit and receive data at a rate of 40 gigabits per second (Gbps) using a single fiber optic cable.

The "BD" in the module's name stands for "bi-directional," indicating that it can transmit and receive data on the same fiber using different wavelengths. This allows for the use of a single fiber optic cable instead of the two cables typically required for bi-directional communication.

The "RX" in the module's name refers to the module's ability to receive data. The QSFP-40G-BD-RX is designed to receive data using a wavelength of 1270 nanometers (nm) and transmit data using a wavelength of 1330 nm.

The QSFP-40G-BD-RX is compliant with the QSFP MSA (multi-source agreement) and is compatible with a wide range of networking equipment, including Cisco switches and routers. It supports a link length of up to 10 kilometers (km) over single-mode fiber optic cable and up to 100 meters (m) over multimode fiber optic cable.

In terms of performance, the QSFP-40G-BD-RX provides high-speed data transmission with low latency and low power consumption. It also includes advanced features such as digital diagnostic monitoring, which allows for real-time monitoring of the module's operating conditions, including temperature, voltage, and power consumption.

• Manufacturer: Cisco
• Part Number or SKU# QSFP-40G-BD-RX
• Product Type: Transceiver Module
• Product Name: 40GBase-SR-BiDi QSFP+ Transceiver Module

• Connectivity Technology: Wired
• Cabling Type: 40GBASE-BiDi
• Data Link Protocol: 40 Gigabit Ethernet
• Data Transfer Rate: 40 Gbps
• Optical Wave Length: 832-918 nm
• Max Transfer Distance: 492 ft
• Compliant Standards: IEEE 802.3ba

• Interfaces: 1 x 40Gb Ethernet - LC multi-mode x 2

• Compliant Standards: MSA SFF-8436

Power

• Power Consumption Operational: 3.5 Watts

In general, the Cisco QSFP-40G-BD-RX 40Gbps 40GBase-SR-BiDi multi-mode fiber transceiver module represents a significant advancement in networking technology. Its Bi-Directional design, compatibility with multi-mode fiber, and use of LC connectors make it a versatile and efficient solution for high-speed data transmission in various networking environments. Network administrators and engineers can leverage the advantages of this transceiver module to optimize their network infrastructure, improve connectivity, and meet the growing demands of modern data communication. As technology continues to evolve, Cisco's commitment to innovation ensures that its networking solutions remain at the forefront of the industry.